<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .column{
      display: flex; 
      flex-direction: column;
      justify-content: center;
    }

    .row{
      display: flex;
      flex-direction: row;
      justify-content: center;
    }

    .box{
      background-color: pink;
      margin: 10px;
      justify-content: center;
    }
    .father{
      width: 500px;
      height: 500px;
      border: 1px solid red;
      align-items:center;
      flex-wrap: wrap;
    }
    
    .box02{
      align-self: stretch;
    }

    .box03{
      /* 前端的 flex:1;相当于鸿蒙的 .layoutWeight(1) */
      flex: 1;
    }
    
  </style>
</head>
<body>
  <div class="row father">
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box">段落1</p>
    <p class="box box02">段落2</p>
    <p class="box box03">段落3</p>
    <p class="box box03">段落3</p>
  </div>
</body>
</html>